Know Your Environment. Protect Your Health.

1,1,1-Trichloroethane

Pennsylvania American Norristown

1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND30ND
2020ND30ND
2021ND10ND
2022ND10ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 200 ppb

The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-04-0339060301ND
2019-04-1643646101ND
2019-10-2247450201ND
2019-11-1847355101ND
2020-02-1021668814.00ND
2020-05-1222216892.00ND
2020-08-1122800783.00ND
2021-05-0524440291.00ND
2022-05-0226650186.00ND
2023-05-0828901924.00ND